Quarter	Billions of US Dollars
1993-07-01	1.92005
1993-10-01	1.77410
1994-01-01	2.67564
1994-04-01	2.07447
1994-07-01	2.04637
1994-10-01	2.18894
1995-01-01	2.21740
1995-04-01	2.32877
1995-07-01	3.13585
1995-10-01	2.21008
1996-01-01	1.15612
1996-04-01	7.67512
1996-07-01	0.48035
1996-10-01	0.63249
1997-01-01	0.60265
1997-04-01	0.48178
1997-07-01	0.43498
1997-10-01	0.53156
1998-01-01	0.29189
1998-04-01	0.29615
1998-07-01	0.86551
1998-10-01	0.71845
1999-01-01	0.81012
1999-04-01	0.96541
1999-07-01	0.32154
1999-10-01	1.01241
2000-01-01	0.57000
2000-04-01	0.53175
2000-07-01	0.83769
2000-10-01	0.80930
2001-01-01	1.19167
2001-04-01	1.02419
2001-07-01	0.71214
2001-10-01	0.72510
2002-01-01	0.58952
2002-04-01	0.67030
2002-07-01	0.74924
2002-10-01	0.51320
2003-01-01	0.50379
2003-04-01	0.91320
2003-07-01	0.80999
2003-10-01	0.83078
2004-01-01	1.10192
2004-04-01	1.16460
2004-07-01	1.16493
2004-10-01	0.91674
2005-01-01	0.90823
2005-04-01	1.12620
2005-07-01	1.44476
2005-10-01	1.54993
2006-01-01	1.18740
2006-04-01	2.08999
2006-07-01	1.97300
2006-10-01	2.67718
2007-01-01	4.47223
2007-04-01	4.66139
2007-07-01	4.67450
2007-10-01	1.54476
2008-01-01	3.24387
2008-04-01	4.77647
2008-07-01	4.13665
2008-10-01	2.65692
2009-01-01	1.05660
2009-04-01	0.47839
2009-07-01	0.78789
2009-10-01	0.65527
2010-01-01	0.53842
2010-04-01	2.92241
2010-07-01	2.70847
2010-10-01	2.77300
2011-01-01	2.82284
2011-04-01	0.60160
2011-07-01	1.97262
2011-10-01	2.04070
2012-01-01	1.92900
2012-04-01	3.15895
2012-07-01	1.77806
2012-10-01	1.93612
2013-01-01	2.11130
2013-04-01	2.05000
2013-07-01	2.05000
2013-10-01	2.05000
2014-01-01	1.05000
2014-04-01	0.05000
2014-07-01	0.05000
2014-10-01	0.21343
2015-01-01	0.21281
2015-04-01	0.32319